<?php 

/**
 * 后台用户操作
 * 继承UserModel
 */
Class AuserModel extends UserModel{

  /**
   * 根据用户id删除用户
   * @param  [type] $u_id [description]
   * @return [type]       [description]
   */
  public function delUserByUid($u_id)
  {
    return $this->where('u_id=' . $u_id)->delete();
  }
}

 ?>